Table 1: Demographics, risk factors and hospital characteristics in patients who underwent TAVI and SAVR.

	TAVI (n=33,690)	SAVR (n=202,110)	p-value
Admission year 2012	6320	65805
Admission year 2013	11420	68405
Admission year 2014	15950	67900
Age (mean ± standard deviation)	81 ± 9	68 ± 13	<0.001
Male	50.6%	64.5%	<0.001
Race White	81.4%	77.9%	<0.001
Hypertension	79.4%	73.2%	<0.001
Diabetes	34.5%	30.0%	<0.001
Dyslipidemia	64.0%	58.9%	<0.001
Current smoking	3.4%	10.5%	<0.001
Obesity	14.8%	20.3%	<0.001
Coronary artery disease	29.5%	42.8%	<0.001
Prior PCI	18.3%	8.0%	<0.001
Prior CABG	20.7%	4.4%	<0.001
Prior stroke/TIA	10.0%	6.2%	<0.001
Anemia	26.5%	19.4%	<0.001
Renal failure	35.4%	15.9%	<0.001
Chronic pulmonary disease	33.6%	20.9%	<0.001
Peripheral vascular disease	29.9%	21.0%	<0.001
Atrial fibrillation	43.2%	44.9%	0.02
Hospital location/status			<0.001
Rural hospital	0.7%	2.3%
Urban teaching hospital	89.2%	74.6%
Urban nonteaching hospital	10.1%	23.1%
Hospital size			<0.001
Small	4.4%	6.8%
Medium	16.9%	20.4%
Large	78.7%	72.8%
Hospital region			0.04
Midwest	22.7%	24.9%
Northeast	26.5%	22.8%
South	33.3%	32.5%
West	17.5%	19.8%
Length of stay (days; median [IQR])	6 [4–9]	8 [5–12]	<0.001
Cost ($; median [IQR])	195,620 [142,667–274,253]	161,840 [113,168–246,396]	<0.001

CABG: coronary artery bypass grafting, IQR: interquartile range, PCI: percutaneous coronary intervention, SAVR: surgical aortic valve replacement, TAVI: trans-catheter aortic valve implantation, TIA: transient ischemic attack,